The French constitution does not guarantee Freedom of Speech. That is a uniquely American thing.
American exceptionalism is a uniquely American thing. Freedom of speech in the constitution is not. Even Cuba has freedom of speech guaranteed by the constitution.
Eh. The original philosophy, liberalism, is European in origin, including some notable French contributions.
I think you mean freedom of the press? Libel is still illegal.
Frankly, the problem with the press in the US is that it's lost all credibility and is mostly filled with activist instead of journalists.